Dr. Zhiyu ZHU, 朱智宇

Research output

Research output per year 2020 2021 2022 2023 2024 2025 2025

• 13 RGC 32 - Refereed conference paper (with host publication)
• 7 RGC 21 - Publication in refereed journal
• 1 RGC 32 - Refereed conference paper (without host publication)
• 1 RGC 51 - Patents (CityUHK)

Research output per year

Research output per year

Search results

• 2025

  Acc3D: Accelerating Single Image to 3D Diffusion Models via Edge Consistency Guided Score Distillation

  Liu, K., Zhu, Z., Liu, H. & Hou, J., 11 Jun 2025, The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2025.

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • Diffusion Model 100%
  • Single Image 100%
  • Score Function 66%
  • Computational Efficiency 33%
  • Signal-to-Noise Ratio 33%

• NVS-Solver: Video Diffusion Model as Zero-shot Novel View Synthesizer

  You, M. (Co-first Author), Zhu, Z. (Co-first Author), Liu, H. & Hou, J., 2025, 13th International Conference on Learning Representations (ICLR 2025). International Conference on Learning Representations, ICLR

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • Diffusion Model 100%
  • Estimation Error 50%
  • Diffusion Process 50%
  • Sampling Process 50%
  • Score Function 50%

• ParaSolver: A Hierarchical Parallel Integral Solver for Diffusion Models

  Lu, J. (Co-first Author), Zhu, Z. (Co-first Author) & Hou, J., 2025.

  Research output: Conference Papers › RGC 32 - Refereed conference paper (without host publication) › peer-review

  Open Access

  • Diffusion Model 100%
  • Sampling Process 100%
  • Approximation (Algorithm) 50%
  • Inference Process 50%
  • System Dynamics 50%
• 2024

  Deep Diversity-Enhanced Feature Representation of Hyperspectral Images

  Hou, J., Zhu, Z., Hou, J., Liu, H., Zeng, H. & Meng, D., Dec 2024, In: IEEE Transactions on Pattern Analysis and Machine Intelligence. 46, 12, p. 8123-8138

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Hyperspectral Image 100%
  • Regularization 50%
  • Network Parameter 50%
  • Theoretical Formulation 50%
  • de-noising 50%
  3 Citations (Scopus)

• E-Motion: Future Motion Simulation via Event Sequence Diffusion

  Wu, S., Zhu, Z., Hou, J., Shi, G. & Wu, J., 2024, NeurIPS Proceedings: Advances in Neural Information Processing Systems 37 (NeurIPS 2024). Globerson, A., Mackey, L., Belgrave, D., Fan, A., Paquet, U., Tomczak, J. & Zhang, C. (eds.). Vol. 37. (Advances in Neural Information Processing Systems; vol. 37).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  Open Access

  • Diffusion Model 100%
  • Motion Simulation 100%
  • Computer Vision 66%
  • Vision Systems 33%
  • Learning Technique 33%

• PrefPaint: Aligning Image Inpainting Diffusion Model with Human Preference

  Liu, K. (Co-first Author), Zhu, Z. (Co-first Author), Li, C. (Co-first Author), Liu, H., Zeng, H. & Hou, J., Dec 2024, Advances in Neural Information Processing Systems 37 (NeurIPS 2024). Globerson, A., Mackey, L., Belgrave, D., Fan, A., Paquet, U., Tomczak, J. & Zhang, C. (eds.). Neural Information Processing Systems (NeurIPS), 36 p. (Advances in Neural Information Processing Systems).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  Open Access

  • Diffusion Model 100%
  • Image Inpainting 100%
  • Information Processing 100%
  • Artificial Intelligence 100%
  • Reinforcement Learning 50%

• Segment Any Event Streams via Weighted Adaptation of Pivotal Tokens

  Chen, Z., ZHU, Z., ZHANG, Y., HOU, J., Shi, G. & Wu, J., 2024, 2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). Ceballos, C. (ed.). IEEE, p. 3890-3900 11 p. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • RGB Image 100%
  • Segment Anything Model 100%
  2 Citations (Scopus)

• Spatial-Temporal Graph Enhanced DETR Towards Multi-Frame 3D Object Detection

  Zhang, Y., Zhu, Z., Hou, J. & Wu, D., Dec 2024, In: IEEE Transactions on Pattern Analysis and Machine Intelligence. 46, 12, p. 10614-10628

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Temporal Graph 100%
  • 3D Object Detection 100%
  • Regularization Term 33%
  • Social Context 33%
  • Object Detection 33%
  3 Citations (Scopus)
• 2023

  Cross-modal Orthogonal High-rank Augmentation for RGB-Event Transformer-trackers

  Zhu, Z., Hou, J. & Wu, D. O., Oct 2023, Proceedings - 2023 IEEE/CVF International Conference on Computer Vision (ICCV 2023). IEEE, p. 21988-21998

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • Vision Transformer 100%
  • Information Interaction 50%
  • Positive Effect 50%
  • Tracking Object 50%
  20 Citations (Scopus)

• GLENet: Boosting 3D Object Detectors with Generative Label Uncertainty Estimation

  Zhang, Y., Zhang, Q., Zhu, Z., Hou, J. & Yuan, Y., Dec 2023, In: International Journal of Computer Vision. 131, 12, p. 3332–3352

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Annotation 100%
  • Object Detector 100%
  • Uncertainty Estimation 100%
  • Bounding Box 100%
  • Uncertainty Problem 100%
  37 Citations (Scopus)

• Global Structure-Aware Diffusion Process for Low-Light Image Enhancement

  Hou, J., Zhu, Z., Hou, J., Liu, H., Zeng, H. & Yuan, H., 2023, 37th Conference on Neural Information Processing Systems (NeurIPS 2023). Oh, A., Naumann, T., Globerson, A., Saenko, K., Hardt, M. & Levine, S. (eds.). p. 79734-79747 (Advances in Neural Information Processing Systems; vol. 36).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  Open Access

  • Regularization 100%
  • Image Enhancement 100%
  • Diffusion Process 100%
  • Diffusion Model 50%
  • Image Quality 25%
  61 Citations (Scopus)
• 2022

  Deep Posterior Distribution-based Embedding for Hyperspectral Image Super-resolution

  Hou, J., Zhu, Z., Hou, J., Zeng, H., Wu, J. & Zhou, J., 2022, In: IEEE Transactions on Image Processing. 31, p. 5720-5732

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Posterior Distribution 100%
  • super resolution 100%
  • Hyperspectral Image 100%
  • Partial Differential Equation 25%
  • Approximation (Algorithm) 12%
  18 Citations (Scopus)

• Learning Graph-embedded Key-event Back-tracing for Object Tracking in Event Clouds

  ZHU, Z., HOU, J. & LYU, X., Nov 2022, Advances in Neural Information Processing Systems 35 (NeurIPS 2022). Koyejo, S., Mohamed, S., Agarwal, A., Belgrave, D., Cho, K. & Oh, A. (eds.). Neural Information Processing Systems (NeurIPS), p. 7462-7476 15 p. (Advances in Neural Information Processing Systems; vol. 35).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  Open Access

  • Data Structure 100%
  • Tracking Object 100%
  • Design Technique 50%
  • Image Representation 50%
  • Initial Position 50%
  17 Citations (Scopus)

• 一種四維光場圖像深度獲取方法及裝置

  LYU, X. (Inventor), ZHU, Z. (Inventor), GUO, M. (Inventor), JIN, J. (Inventor) & HOU, J. (Inventor), 11 Jan 2022, (Accepted/In press/Filed) Priority No. 202210025184.1

  Research output: Patents, Agreements and Assignments › RGC 51 - Patents (CityUHK)
• 2021

  CorrNet3D: Unsupervised End-to-end Learning of Dense Correspondence for 3D Point Clouds

  Zeng, Y., Qian, Y., Zhu, Z., Hou, J., Yuan, H. & He, Y., 2021, Proceedings - 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition: CVPR 2021. IEEE, p. 6048-6057 (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • Point Cloud 100%
  • State of the Art 100%
  • Supervised Learning 100%
  • Unsupervised Learning 25%
  • Deep Feature 25%
  69 Citations (Scopus)

• Deep Amended Gradient Descent for Efficient Spectral Reconstruction from Single RGB Images

  Zhu, Z., Liu, H., Hou, J., Jia, S. & Zhang, Q., 2021, In: IEEE Transactions on Computational Imaging. 7, p. 1176-1188

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Gradient Descent 100%
  • RGB Image 100%
  • Hyperspectral Image 100%
  • Neural Network 33%
  • Singular Value 33%
  25 Citations (Scopus)

• Hyperspectral Image Super-Resolution via Deep Progressive Zero-Centric Residual Learning

  Zhu, Z., Hou, J., Chen, J., Zeng, H. & Zhou, J., 2021, In: IEEE Transactions on Image Processing. 30, p. 1423-1438 16 p., 9298460.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Residual Image 100%
  • Hyperspectral Image 100%
  • super resolution 100%
  • Residual Neural Network 100%
  • High Resolution 50%
  79 Citations (Scopus)

• Learning Spatial-angular Fusion for Compressive Light Field Imaging in a Cycle-consistent Framework

  Lyu, X., Zhu, Z., Guo, M., Jin, J., Hou, J. & Zeng, H., Oct 2021, MM '21: Proceedings of the 29th ACM International Conference on Multimedia. New York, NY: Association for Computing Machinery, p. 4613-4621 (MM - Proceedings of the ACM International Conference on Multimedia).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • Posterior Distribution 100%
  • Network Template 100%
  • Inverse Problem 100%
  • Probability Space 100%
  • Event Processing 100%
  5 Citations (Scopus)

• Semantic-embedded Unsupervised Spectral Reconstruction from Single RGB Images in the Wild

  Zhu, Z., Liu, H., Hou, J., Zeng, H. & Zhang, Q., Oct 2021, 2021 IEEE/CVF International Conference on Computer Vision ICCV 2021: Proceedings. IEEE, p. 2259-2268 (International Conference on Computer Vision (ICCV)).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • RGB Image 100%
  • Hyperspectral Image 66%
  • Image Reconstruction 11%
  • Response Function 11%
  • Unsupervised Method 11%
  25 Citations (Scopus)

• WDA: An Improved Wasserstein Distance-Based Transfer Learning Fault Diagnosis Method

  Zhu, Z., Wang, L., Peng, G. & Li, S., Jul 2021, In: Sensors. 21, 13, 4394.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Fault Diagnosis 100%
  • Transfer Learning 100%
  • fault diagnose method 100%
  • Deep Learning Method 100%
  • Transfer of Learning 100%
  29 Citations (Scopus)

  80 Downloads (CityUHK Scholars)
• 2020

  Intelligent Fault Diagnosis Using Limited Data Under Different Working Conditions Based on SEflow Model and Data Augmentation

  Li, S., Peng, G., Mao, D., Zhu, Z., Ji, M. & Chen, Y., Nov 2020, Advances in Intelligent Information Hiding and Multimedia Signal Processing: Proceeding of the 16th International Conference on IIHMSP in Conjunction with the 13th International Conference on FITAT. Pan, J.-S., Li, J. & Namsrai, O.-E. (eds.). Springer Nature Singapore Pte Ltd., p. 475-484 (Smart Innovation, Systems and Technologies; vol. 211).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • Fault Diagnosis 100%
  • Rolling Element 25%
  • Machine Components 25%
  • Generative Model 25%
  • Real Equipment 25%
  3 Citations (Scopus)

• NTIRE 2020 Challenge on Spectral Reconstruction from an RGB Image

  Arad, B., Timofte, R., Ben-Shahar, O., Lin, Y.-T., Finlayson, G., Givati, S., Li, J., Wu, C., Song, R., Li, Y., Liu, F., Lang, Z., Wei, W., Zhang, L., Nie, J., Zhao, Y., Po, L.-M., Yan, Q., Liu, W. & Lin, T. & 28 others, Kim, Y., Shin, C., Rho, K., Kim, S., ZHU, Z., HOU, J., Sun, H., Ren, J., Fang, Z., Yan, Y., Peng, H., Chen, X., Zhao, J., Stiebel, T., Koppers, S., Merhof, D., Gupta, H., Mitra, K., Fubara, B. J., Sedky, M., Dyke, D., Banerjee, A., Palrecha, A., Sabarinathan, Uma, K., Vinothini, D. S., Sathya Bama, B. & Md Mansoor Roomi, S. M., Jun 2020, Proceedings - 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops. IEEE Computer Society, p. 1806-1822 9150756. (IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops; vol. 2020-June).

  Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

  • RGB Image 100%
  • Hyperspectral Image 83%
  • Review Paper 16%
  • Image Data 16%
  • Sensitivity Function 16%
  170 Citations (Scopus)